Marginalia of Greek religious books, with some parts (such as headlines) of the book translated into Old Ossetic, have recently been found.

It is theorized that during the Proto-Ossetic phase, Ossetian underwent a process of phonological change conditioned by a Rhythmusgesetz or "Rhythm-law" whereby nouns were divided into two classes, those heavily or lightly stressed. "Heavy-stem" nouns possessed a "heavy" long